<%--
  Created by IntelliJ IDEA.
  User: 44659
  Date: 2018/5/14
  Time: 19:05
  To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>

<%

    if (session.getAttribute("isLogin")==null){

        //没有登陆，跳转到登陆界面

        response.sendRedirect("login.jsp");
    }
%>
